Nierenberg Investment Management Company Portfolio holdings
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares 0-3 Month Treasury Bond ETF
SGOV
|
+$64.4M |
| 2 |
Rocket Companies
RKT
|
+$23.9M |
| 3 |
Criteo S.A. Ordinary Shares
CRTO
|
+$9.6M |
| 4 |
FTI Consulting
FCN
|
+$1.58M |
| 5 |
Vertiv
VRT
|
+$1.22M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
PBPB
Potbelly
PBPB
|
+$50.8M |
| 2 |
COOP
Mr. Cooper
COOP
|
+$26.6M |
| 3 |
Adtran
ADTN
|
+$2.17M |
| 4 |
Match Group
MTCH
|
+$2M |
| 5 |
TPC
Tutor Perini Cor
TPC
|
+$1.62M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Financials | 20.64% |
| 2 | Energy | 15.47% |
| 3 | Technology | 10.86% |
| 4 | Communication Services | 8.92% |
| 5 | Industrials | 3.47% |
Similar funds
Nierenberg Investment Management Company's Q4 2025 Portfolio in Review
As of Q4 2025, Nierenberg Investment Management Company held 62 positions worth $206M, down 12% from $234M the previous quarter. Its ten largest holdings account for 87% of the portfolio.
Nierenberg Investment Management Company withdrew a net $26.9M in Q4 2025, closing 15 positions and reducing 4 holdings. Its most notable exit was Potbelly, an estimated $50.8M position sold in full.
By sector, the portfolio is most concentrated in Financials at 21% of assets, up from 18% a quarter earlier, followed by Energy and Technology.
Against the trend, Nierenberg Investment Management Company opened a new position in iShares 0-3 Month Treasury Bond ETF worth $64.3M.
- Nierenberg Investment Management Company's largest Q4 2025 buy was iShares 0-3 Month Treasury Bond ETF: 640,597 shares worth $64.3M.
- Nierenberg Investment Management Company added most to Criteo S.A. Ordinary Shares in Q4 2025, an estimated $9.6M increase.
- Nierenberg Investment Management Company's biggest Q4 2025 reduction was Adtran, cutting an estimated $2.17M.
- Nierenberg Investment Management Company fully exited Potbelly in Q4 2025, selling an estimated $50.8M.
- Nierenberg Investment Management Company's ten largest holdings make up 87% of its $206M portfolio in Q4 2025.
- Nierenberg Investment Management Company opened 10 new positions and closed 15 in Q4 2025.
- Nierenberg Investment Management Company's portfolio value fell 12% quarter-over-quarter to $206M.
Based on Nierenberg Investment Management Company's 13F filing for Q4 2025, filed 13 Feb 2026.